:root {
  --color-bg: #fafbfc;
  --color-surface: #ffffff;
  --color-text: #1a2332;
  --color-text-secondary: #4a5568;
  --color-primary: #4f46e5;
  --color-primary-hover: #4338ca;
  --color-border: #e2e8f0;
  --radius: 12px;
  --max-width: 960px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Navigation */
header {
  position: sticky;
  top: 0;
  background: rgba(250, 251, 252, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 10;
}

nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 24px;
}

.nav-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.15s;
}

.nav-links a:hover {
  color: var(--color-primary);
}

/* Main content */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Hero */
.hero {
  padding: 80px 0 64px;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.hero p {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  max-width: 520px;
  margin: 0 auto;
}

/* Products */
.products {
  padding: 48px 0;
}

.products h2,
.about h2,
.contact h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  transition: box-shadow 0.2s, transform 0.2s;
}

.product-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  transform: translateY(-2px);
}

.product-card.coming-soon {
  opacity: 0.6;
  border-style: dashed;
}

.product-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.product-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.product-card p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.product-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
}

.product-link:hover {
  text-decoration: underline;
}

/* About */
.about {
  padding: 48px 0;
  border-top: 1px solid var(--color-border);
}

.about p {
  color: var(--color-text-secondary);
  max-width: 640px;
  margin-bottom: 12px;
}

/* Contact */
.contact {
  padding: 48px 0;
  border-top: 1px solid var(--color-border);
}

.contact p {
  color: var(--color-text-secondary);
}

.contact a {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
}

.contact a:hover {
  text-decoration: underline;
}

/* Footer */
footer {
  margin-top: 64px;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.footer-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-content p {
  color: var(--color-text-secondary);
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
}

.footer-links a:hover {
  color: var(--color-primary);
}

/* Mobile */
@media (max-width: 600px) {
  .hero h1 {
    font-size: 1.8rem;
  }

  .hero {
    padding: 48px 0 40px;
  }

  .nav-links {
    gap: 16px;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}

/* Legal pages */
.legal {
  padding: 48px 0;
  max-width: 680px;
}

.legal h1 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.legal .updated {
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  margin-bottom: 32px;
}

.legal h2 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-top: 32px;
  margin-bottom: 12px;
}

.legal h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-top: 16px;
  margin-bottom: 8px;
}

.legal p {
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}

.legal ul {
  color: var(--color-text-secondary);
  padding-left: 24px;
  margin-bottom: 12px;
}

.legal li {
  margin-bottom: 6px;
}

.legal a {
  color: var(--color-primary);
  text-decoration: none;
}

.legal a:hover {
  text-decoration: underline;
}